Home / 14,317.23-21,476.53-11,813.78

Finding the Fourth Proportional to 14,317.23, 21,476.53 and 11,813.78

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Solution

The fourth proportional to 14,317.23, 21,476.53 and 11,813.78 is: 17,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.23 : 21,476.53 = 11,813.78 : x
  2. Step 2: Convert to fraction form
    14,317.23/21,476.53 = 11,813.78/x
  3. Step 3: Cross multiply
    14,317.23x = 21,476.53 × 11,813.78
  4. Step 4: Simplify right side
    14,317.23x = 253,718,881.78
  5. Step 5: Solve for x
    x = 253,718,881.78/14,317.23
  6. Step 6: Final answer
    x = 17,721.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.